A leakage-proof terminal block for electric power metering box
By designing a power metering box leakage-proof terminal with a knob and a clamping head, the problems of troublesome operation and low safety in the prior art are solved, firm fixing of the insert block and obstructing the waterproof cover plate are achieved, and working efficiency and safety are improved.
Patent Information
- Application Number
- CN202011283721.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-11-17
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2040-11-17
AI Technical Summary
The existing power metering box has trouble operating the power leakage-proof terminals, and the plug is prone to falling off, causing leakage, and it is impossible to block the plug, reducing safety.
A terminal including a bottom box, wiring terminal, wiring disc, clamping head and waterproof cover plate is designed. By rotating the adjustment knob, the clamping head moves in the T-shaped slide chute, clamps the insertion block, and blocks the insertion block through the waterproof cover plate to prevent electric shock and rainwater from dripping in.
The firm fixation of the insert block is achieved, the operation is simplified, and it can be used without tools, improve work efficiency, and improve safety and waterproof performance through the waterproof cover.
Smart Images

Figure CN112366462B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the field of metering equipment and relates to a wiring terminal, in particular to an anti-leakage wiring terminal of an electric power metering box. Background Art
[0002] The so-called terminal block is an accessory product used to achieve electrical connection. It is classified as a connector in the industry. The terminal block is used to facilitate the connection of wires. It is actually a piece of metal sheet sealed in insulating plastic. There are holes at both ends for inserting wires. The terminal block can be divided into WUK terminal blocks, European terminal block series, plug-in terminal block series, etc.
[0003] The leakage-proof terminal block of the electric meter box in the prior art is inserted into the junction box by inserting the plug block, and then tightening the screws to fix it. This operation is troublesome, and the plug block is easy to fall off, causing leakage; and the plug block cannot be shielded, which is easy to cause electric shock, reducing safety. Summary of the invention
[0004] The present invention provides an anti-leakage wiring terminal for an electric meter box to solve the technical problem that the anti-leakage wiring terminal for an electric meter box in the prior art is inserted into a junction box by inserting an insert block and then tightening the screws to fix it, which is troublesome to operate and the insert block is easy to fall off, causing leakage; and the insert block cannot be shielded, which is easy to cause electric shock safety and reduces safety.
[0005] The present invention solves the technical problem by adopting the following technical solutions:
[0006] A leakage-proof terminal block for an electric power meter box, characterized in that: it comprises a bottom box, a terminal block is arranged in the bottom box, a plurality of wiring slots are provided on the terminal block, a wiring disc is provided in each of the wiring slots, a T-shaped slide groove is provided on the circumference of the wiring disc, a clamping head is provided at one end of the wiring disc, and the clamping head is clamped in the T-shaped slide groove through a T-shaped slider; a plurality of teeth are provided on one side of the clamping head, a gear disc is provided in the wiring disc, a threaded groove is provided on one side of the gear disc, the threaded groove is meshed with the teeth on the clamping head, and a cone is provided on the gear disc The gear plate is meshed with the bevel gear, and the bevel gear is connected to an adjusting knob through a connecting rod; a connecting tube is provided on one side of the wiring disc; two groups of fixing blocks are provided on the wiring terminal, a pin shaft is provided between the fixing blocks, a connecting sleeve is sleeved on the pin shaft, and the connecting sleeve is connected to a waterproof cover plate; a positioning hole is provided on one side of the waterproof cover plate; a fixing block is provided on one side of the wiring terminal, a fixing pin is passed through the fixing block, a pressing sheet is sleeved on the fixing pin, a positioning cylinder is provided at one end of the pressing sheet, and the positioning cylinder is located in the positioning hole.
[0007] As a preferred technical solution of the present invention, a spring is provided on one side of the pressing piece, and one end of the spring is fixed to the connecting terminal.
[0008] As a preferred technical solution of the present invention, two sets of mounting plates are provided on both sides of the wiring terminal.
[0009] As a preferred technical solution of the present invention, a wire inlet is provided on one side of the bottom box, and three groups of wire outlets are provided on the other side of the bottom box. Nylon connectors are provided in both the wire inlet and the wire outlet.
[0010] As a preferred technical solution of the present invention, four groups of mounting holes are provided at the bottom of the bottom box.
[0011] As a preferred technical solution of the present invention, a transparent upper cover is provided on the bottom box, and the transparent upper cover is fixed to the bottom box by screws.
[0012] The advantages and positive effects of the present invention are:
[0013] The leakage-proof terminal block of the electric meter box, when in use, rotates the adjustment knob to drive the bevel gear to rotate, thereby driving the gear plate to rotate. When the gear plate rotates, the threaded groove and the clamping teeth cooperate to realize the movement of the clamping head in the T-shaped slide groove. The clamping head is provided with three groups, and the three groups of clamping heads are moved to clamp the plug-in block inserted into the wiring disc, so that the plug-in block is fixed more firmly, the structure is simple, and the staff does not need to carry tools when using it, thereby increasing work efficiency; the waterproof cover plate can shield the plug-in block to avoid the staff from touching it and getting an electric shock, and can also prevent rain from dripping onto the terminal block to cause a short circuit, thereby improving safety during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of an anti-leakage wiring terminal of an electric power meter box of the present invention;
[0015] Figure 2 An exploded view of an anti-leakage terminal block of an electric power meter box according to the present invention;
[0016] Figure 3 for Figure 2 A partial enlarged schematic diagram of area a in the middle;
[0017] Figure 4 for Figure 2 A partial enlarged schematic diagram of area b in the middle.
[0018] In the figure: 1. bottom box; 2. wiring terminal; 3. wiring slot; 4. wiring disc; 5. T-shaped slide; 6. clamping head; 7. T-shaped slider; 8. latching teeth; 9. gear plate; 10. threaded groove; 11. bevel gear; 12. adjusting knob; 13. connecting pipe; 14. fixing block; 15. pin shaft; 16. connecting sleeve; 17. waterproof cover; 18. fixing pin; 19. pressing piece; 20. spring; 21. positioning cylinder; 22. positioning hole; 23. mounting plate; 24. wire inlet; 25. wire outlet; 26. nylon connector; 27. mounting hole; 28. transparent upper cover; 29. screw. DETAILED DESCRIPTION
[0019] The embodiments of the present invention are further described in detail below with reference to the accompanying drawings:
[0020] See also Figures 1 to 4 , the present invention provides a technical solution:
[0021] A leakage-proof terminal block for an electric power meter box, the innovation of which is that it comprises a bottom box 1, a terminal block 2 is arranged inside the bottom box 1, a plurality of terminal block slots 3 are provided on the terminal block 2, a terminal disk 4 is arranged inside the terminal disk 4, a T-shaped slide groove 5 evenly spaced is provided around the terminal disk 4, a clamping head 6 is arranged at one end of the terminal disk 4, the clamping head 6 is clamped in the T-shaped slide groove 5 through a T-shaped slider 7 arranged at the side end thereof; a plurality of latching teeth 8 are arranged on one side of the clamping head 6, a gear disk 9 is arranged inside the terminal disk 4, a threaded groove 10 meshing with the latching teeth is arranged on one side of the gear disk 9, and teeth are arranged on the other side of the gear disk 9, the teeth meshing with a bevel gear 11, and the bevel gear 11 is connected to the gear plate 9 by a threaded groove 10 meshing with the latching teeth. The connecting rod is connected to an adjusting knob 12; a connecting tube 13 is provided at the other end of the wiring disc 4; two groups of fixing blocks 14 are provided on the wiring terminal 2, one group of fixing blocks is provided on one end face of the wiring terminal, and the other group of fixing blocks is provided on the side face of the other side of the wiring terminal, a pin shaft 15 is provided between the fixing blocks 14 on the end face, a connecting sleeve 16 is sleeved on the pin shaft 15, and the connecting sleeve 16 is connected to a waterproof cover plate 17; a positioning hole 22 is opened on one side of the waterproof cover plate 17; a fixing pin 18 is penetrated on the fixing block 14 on the side, a pressing piece 19 is rotatably installed on the fixing pin 18, a positioning cylinder 21 is provided at one end of the pressing piece 19, and the positioning cylinder 21 is inserted into the positioning hole 22 provided on the waterproof cover plate.
[0022] The leakage-proof terminal block of the electric meter box, when in use, is provided with a terminal block 2 in the bottom box 1, a plurality of terminal slots 3 are provided on the terminal block 2, a terminal disk 4 is provided in each of the terminal slots 3, a T-shaped slide slot 5 is provided on the circumference of the terminal disk 4, a clamping head 6 is provided at one end of the terminal disk 4, the clamping head 6 is clamped in the T-shaped slide slot 5 through a T-shaped slider 7; a plurality of latching teeth 8 are provided on one side of the clamping head 6, a gear disk 9 is provided in the terminal disk 4, a threaded groove 10 is provided on one side of the gear disk 9, a bevel gear 11 is provided on the gear disk 9, the gear disk 9 is meshed with the bevel gear 11, the bevel gear 11 is connected to an adjusting knob 12 through a connecting rod, a line plug (not shown) is placed in the terminal disk 4, the bevel gear 11 is driven to rotate by rotating the adjusting knob 12, and the gear disk 9 is driven to rotate, and the gear When the disk 9 rotates, the threaded groove 10 cooperates with the latch tooth 8 to realize the movement of the clamping head 6 in the T-shaped slide groove 5. The clamping head 6 is provided with three groups. The three groups of clamping heads 6 are moved to clamp the plug block, so that the plug block is fixed more firmly. The structure is simple and the staff does not need to carry tools when using it, which increases the work efficiency. A connecting tube 13 is provided on one side of the wiring disc 4; two groups of fixing blocks 14 are provided on the wiring terminal 2, and a pin shaft 15 is provided between the fixing blocks 14. A connecting sleeve 16 is sleeved on the pin shaft 15, and the connecting sleeve 16 is connected with a waterproof cover plate 17. Pressing the pressing piece 19 makes the positioning cylinder 21 slide out of the positioning hole 22 to open the waterproof cover plate 17 for wiring. The waterproof cover plate 17 can shield the plug block to prevent the staff from touching it and getting an electric shock, and can also prevent rain from dripping onto the wiring terminal 2 to cause a short circuit, thereby improving the safety during use.
[0023] See also Figures 1 to 4 A spring 20 is provided on one side of the pressing piece 19, and one end of the spring 20 is fixed to the wiring terminal 2; the spring 20 is provided to increase the rebound of the pressing piece 19, so that the pressing piece 19 fixes the waterproof cover 17 more stably.
[0024] See also Figures 1 to 4 Two sets of mounting plates 23 are arranged on both sides of the wiring terminal 2; the mounting plates 23 are installed on the bottom box 1, which is convenient for disassembly and more convenient for use.
[0025] See also Figures 1 to 4 A line inlet 24 is provided on one side of the bottom box 1, and three sets of line outlets 25 are provided on the other side of the bottom box 1. Nylon connectors 26 are provided in both the line inlet 24 and the line outlet 25. The three sets of line outlets 25 are provided to facilitate the connection of more lines from the wiring terminal 2 and increase practicality. The nylon connectors 26 are provided to fix the lines and provide waterproofing.
[0026] See also Figures 1 to 4The bottom of the bottom box 1 is provided with four groups of mounting holes 27. The bottom box 1 can be mounted on the power meter box through the provided mounting holes 27, which makes it more convenient to use.
[0027] See also Figures 1 to 4 The bottom box 1 is provided with a transparent upper cover 28, and the transparent upper cover 28 is fixed to the bottom box 1 by screws 29. The transparent upper cover 28 is provided to be able to observe whether the line is falling off and also to improve the waterproof performance.
[0028] A wire inlet 24 is provided on one side of the bottom box 1, and three sets of wire outlets 25 are provided on the other side of the bottom box 1. Nylon connectors 26 are provided in both the wire inlet 24 and the wire outlet 25. The three sets of wire outlets 25 are provided to facilitate the connection of more wires from the wiring terminal 2 and increase practicality. The nylon connectors 26 are provided to fix the wires and provide waterproofing.
[0029] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.
Claims
1. A leakage-proof terminal block for an electric power meter box, characterized in that: The invention comprises a bottom box, wherein a wiring terminal is arranged in the bottom box, and a plurality of wiring slots are provided on the wiring terminal, and a wiring disk is arranged in each of the wiring slots, and T-shaped slide slots are evenly provided on the circumference of the wiring disk, and a clamping head is arranged at one end of the wiring disk, and the clamping head is clamped in the T-shaped slide slot through a T-shaped slider arranged at the side end thereof; a plurality of latching teeth are arranged on one side of the clamping head, a gear disk is arranged in the wiring disk, and a threaded groove meshing with the latching teeth is arranged on one side of the gear disk, a bevel gear is arranged above the gear disk, and a teeth, which mesh with the teeth on the bevel gear, and the bevel gear is connected to an adjusting knob through a connecting rod; a connecting tube is provided on one side of the wiring disc; two groups of fixing blocks are provided on the wiring terminal, a pin shaft is provided between the fixing blocks, a connecting sleeve is sleeved on the pin shaft, and the connecting sleeve is connected to a waterproof cover plate; a positioning hole is opened on one side of the waterproof cover plate; a fixing block is provided on one side of the wiring terminal, a fixing pin is penetrated on the fixing block, a pressing sheet is sleeved on the fixing pin, a positioning cylinder is provided at one end of the pressing sheet, and the positioning cylinder is located in the positioning hole; A spring is arranged on one side of the pressing piece, and one end of the spring is fixed to the wiring terminal; two groups of mounting plates are arranged on both sides of the wiring terminal.
2. The anti-leakage terminal block for an electric power meter box according to claim 1, characterized in that: One side of the bottom box is provided with a wire inlet, and the other side of the bottom box is provided with three groups of wire outlets, and nylon joints are provided in the wire inlet and the wire outlet.
3. The anti-leakage terminal block for electric power meter box according to claim 1, characterized in that: The bottom of the bottom box is provided with four groups of mounting holes.
4. The anti-leakage terminal block for electric power meter box according to claim 1, characterized in that: The bottom box is provided with a transparent upper cover, and the transparent upper cover is fixed to the bottom box by screws.
Citation Information
Patent Citations
Electric power metering box anti-creeping wiring terminal
CN213959150U